Em Definition

ĕm
noun
The letter m.
American Heritage
A unit of measure the width of a capital M in a type font.
Webster's New World
Such a measure for 12-point type; a pica.
American Heritage
Synonyms:
abbreviation
Electromagnetic.
Webster's New World
Engineer of mines.
Webster's New World
Enlisted man (or men)
Webster's New World
pronoun
Them.
American Heritage
Them.
Webster's New World

A diminutive of the female given names Emily and Emma.

Wiktionary
affix
Emboss, empower.
Webster's New World

Other Word Forms of Em

Noun

Singular:
em
Plural:
Ems

Origin of Em

  • From Middle English hem, em from Old English him, heom dative and accusative pl. of he he1

    From American Heritage Dictionary of the English Language, 5th Edition